Any microorganism that has lost the ability to synthesize an organic compound required for its growth, usually as a result of mutation
calothrix
chartreux
chronaxia
chronaxie
chronaxie
noun
The minimum time over which an electric current must be applied in order to stimulate a muscle fiber or nerve cell.
emphraxis
emphraxis
noun
(medicine) An obstruction, especially of a sweat gland.
exarchate
exarchate
noun
(historical) The province or area of an exarch.
exarchies
exarchies
noun
plural of exarchy
exarchist
exarchist
noun
A supporter of the exarch.
exchanger
exchanger
noun
(biochemistry) An antiporter.
A person or thing that exchanges one thing for another.
exhauster
exhauster
noun
(obsolete) exhaust, exhaust pipe
one who exhausts or depletes
exhumator
exhumator
noun
One who exhumes or disinters.
exochorda
exophoria
exophoria
noun
(ophthalmology) A form of heterophoria in which there is a tendency of the eyes to deviate outward.
exorhason
extraught
extraught
verb
(obsolete) past participle of extract
fluxgraph
hexachord
hexachord
noun
(music) A series of six tones denoted with the syllables ut-re-mi-fa-sol-la separated by seconds, the only of which that is a minor second being mi-fa.
hexagrams
hexagrams
noun
plural of hexagram
hexahedra
hexahedra
noun
plural of hexahedron
hexameral
hexameral
adj
(biblical) Relating to the hexameron.
hexameric
hexameric
adj
Of or pertaining to a hexamer.
hexameron
hexameron
noun
(literature) A treatise concerning the biblical creation story.
(theology) The narrative in the Book of Genesis describing the events of the hexameron.
(theology) The six days in which God created the world according to the biblical creation story.
hexameter
hexameter
noun
(countable) A line in a poem having six metrical feet.
(uncountable) A poetic metre in which each line has six feet.
hexandria
hexandric
hoaxproof
lagothrix
myxorrhea
myxorrhea
noun
Excessive secretion of mucus
narthexes
nephrauxe
orthoaxis
oxytricha
pharynxes
praxithea
prehallux
prehallux
noun
(anatomy) An extra first toe, or rudiment of a toe, on the preaxial side of the hallux.
prothorax
prothorax
noun
(entomology) The anterior segment of the insect thorax; it carries the first pair of legs
pyothorax
pyothorax
noun
pleural empyema; an accumulation of pus in the pleural cavity
rheotaxis
rheotaxis
noun
(biology) movement in response to a current (of water or air)
rhizotaxy
rhizotaxy
noun
Alternative form of rhizotaxis
thermofax
xanthoura
xanthuria
xanthuria
noun
(pathology) Synonym of xanthinuria
xenarthra
xenophora
xenophora
noun
(biology) Any mollusk of the genus Xenophora.
xerophagy
xerophagy
noun
A restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.
xiphisura
xiphosura
xiphydria
xylograph
xylograph
noun
A print taken from such an engraving.
An engraving in wood or woodcut, especially one used in printing predating the Western tradition (14th c.).
verb
(transitive) To make a print from an engraving in wood.
